#[allow(dead_code)]
pub struct HuMan {
    human_type: String,
    number: u32,
}
impl HuMan {
    pub fn new(human_type: String, number: u32) -> Self {
        HuMan {
            human_type: human_type,
            number: number,
        }
    }
    pub fn say(self) -> String {
        self.human_type
    }
}
